MyCleanWater

Sequim, Washington Water Quality Report

Water quality data for 41 water systems serving 29,418 people.

100
Excellent
out of 100

Water Source

41
Water Systems
29K
People Served
Ground water
Water Source

Detected Contaminants

ContaminantDetected LevelEPA Limit (MCL)Health Guideline% of LimitStatus
PFBS0.006 No federal limit2000.0 ug/L(EPA Health Advisory)
0%
Below guideline

Recommended Water Filters

Based on the contaminants detected in your water supply, these filtration systems are recommended:

Reverse Osmosis (RO)

Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.

Up to 99% PFAS removal

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Compliance & Violations

Resolved Violations (500)

71

Jul 1, 2025

minor

71

Jul 1, 2025

minor

71

Jul 1, 2025

minor

71

Jul 1, 2025

minor

71

Jul 1, 2025

minor

+ 495 more resolved violations

Frequently Asked Questions

Is Sequim tap water safe to drink?

Sequim's water meets all EPA maximum contaminant levels. However, 1 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.

What contaminants are in Sequim tap water?

1 contaminants have been detected in Sequim's water supply across 41 water systems. See the full contaminant table above for details.

How can I improve my water quality in Sequim?

Install a water filter rated for the specific contaminants found in Sequim's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.

Does Sequim have any water quality violations?

Yes, Sequim currently has 57 active violations. See the violations section above for details.